Home / 5,154.13-7,740.28-3,838.24

Finding the Fourth Proportional to 5,154.13, 7,740.28 and 3,838.24

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Solution

The fourth proportional to 5,154.13, 7,740.28 and 3,838.24 is: 5,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.13 : 7,740.28 = 3,838.24 : x
  2. Step 2: Convert to fraction form
    5,154.13/7,740.28 = 3,838.24/x
  3. Step 3: Cross multiply
    5,154.13x = 7,740.28 × 3,838.24
  4. Step 4: Simplify right side
    5,154.13x = 29,709,037.75
  5. Step 5: Solve for x
    x = 29,709,037.75/5,154.13
  6. Step 6: Final answer
    x = 5,764.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.